Polar M400 vs. Microsoft Band 2 vs. Misfit Ray vs. Amazfit Cor vs. Polar A370

 
M400
Band 2
Ray
Cor
A370
 PolarM400Remove Buy NowMicrosoftBand 2Remove Buy NowMisfitRayRemove Buy NowAmazfitCorRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$200$250$100$79.99$179.95
Release20142015201620182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 hours to 30 days48 hours (without GPS)6 months12 daysUp to 3 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 128n/a80 x 160160 x 80
Sizen/a1.36 inchesn/a1.23 inches1.18 inches
Touchn/a
Typen/aCapacitative TFTLEDIPS LCDTFT LCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX75 ATM5 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/a
Apps
Music

All Wearables